<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			*{
				margin: 0;
				padding: 0;
			}
			.wrap{
				width: 200px;
				height: 200px;
				border: 1px solid;
				position: absolute;
				left: 0px;
				top: 0px;
				right: 0px;
				bottom: 0px;
				margin: auto;
				border-radius: 50% 40% 30% 20%;
			}
		</style>
	</head>
	<body>
		<div class="wrap"></div>
	</body>
</html>
